Browse Water Systems

19,626 public water systems in CA.

Public Water Systems Database

Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
MACEDONIAN PICNIC GROUND CA2800511 California Transient Non-Community 500
OAK TREE MOUNTAIN CA3600032 California Transient Non-Community 500
RANCHO ALEGRE CA4200826 California Transient Non-Community 500
RIVERBEND MHP OK3007232 California Community 500
PLACER ELEMENTARY SCHOOL CA3100070 California Non-Transient Non-Community 500
CUYAPAIPE/MT LAGUNA SYS CA3700028 California Transient Non-Community 500
SPRECKLES WATER COMPANY CA2700757 California Community 500
CLINE CELLARS CA4901278 California Non-Transient Non-Community 500
PINE FLAT WATER CO CA5400516 California Community 500
AMBLER PARK WATER SUPPLY CA2700504 California Community 500
ANNETT'S MONO VILLAGE CA2600529 California Transient Non-Community 500
HINKLEY MARKET & GAS CA3600182 California Transient Non-Community 500
FAMILY DOLLAR - TUSTIN MI2022267 California Transient Non-Community 500
DEFENSE DISTRIB. DEPOT, SHARPE SITE CA3910701 California Non-Transient Non-Community 500
Hopland Reservation Sho-Ka-Wah Casino 090600163 California Non-Transient Non-Community 500
SINGING HILLS RANCH CO CA3700048 California Non-Transient Non-Community 500
PACIFIC AGRILANDS INC-BERENDA RANCH CA2000857 California Transient Non-Community 500
NACIMIENTO RIVER CAMP CA2701115 California Transient Non-Community 500
MEMORIAL PARK CA2701113 California Transient Non-Community 500
Chicken Ranch Bingo 090605106 California Non-Transient Non-Community 500
CAMPO HILLS-COUNTY PUBLIC WORKS WASTEWTR CA3710047 California Community 500
CASWELL STATE PARK CA3900899 California Transient Non-Community 500
MIRA LOMA HIGH DESERT HOSPITAL CA1900929 California Non-Transient Non-Community 500
GROWERS SERVICE ASSN WS (ICE) CA2702484 California Non-Transient Non-Community 500
LEO CARRILLO STATE BEACH CA1910302 California Transient Non-Community 500
FRANKLIN ELEMENTARY SCHOOL CA3100071 California Non-Transient Non-Community 500
BRIDGES ON THE RIVER CA3400400 California Transient Non-Community 500
CAVANAUGH GOLF COURSE CA3400104 California Non-Transient Non-Community 500
BSA-CAMP WHITSETT CA5401010 California Transient Non-Community 500
NORTH FORK ELEMENTARY SCHOOL CA2000612 California Non-Transient Non-Community 500
CIRCLE OAKS WATER DISTRICT CA2800521 California Community 500
PARADISE RANCH CA1900508 California Community 500
CSP-MENDOCINO HEADLANDS-SEA ARCH CA2310308 California Transient Non-Community 500
MUSD-EAST UNION HIGH SCHOOL CA3901160 California Non-Transient Non-Community 500
BUFFET PARADISE CA3901125 California Transient Non-Community 500
KNOLL ENTERPRISES CA3600504 California Community 500
MORNING STAR LAKE RESORT CA3100091 California Transient Non-Community 500
CURTIS WATER COMPANY CA1600503 California Community 500
SIERRA TAHOE GRANDVIEW CA0900658 California Transient Non-Community 500
MENDOCINO COUNTY FAIRGROUNDS CA2300950 California Transient Non-Community 500
IMPERIAL COUNTY HOSPITAL CA1300541 California Community 500
TOWER MART CA4901072 California Transient Non-Community 500
FERNWOOD CA2701289 California Transient Non-Community 500
CITY OF RIVERBANK CA3900801 California Transient Non-Community 500
NORTHSIDE CHRISTIAN CHURCH CA1000498 California Transient Non-Community 500
YOSEMITE NPS-CRANE FLAT CA2210508 California Transient Non-Community 500
USFS FRENCH MEADOWS SOUTH SHORE CA3100084 California Transient Non-Community 500
RIVER OAK GRACE-WATER SYSTEM CA5000483 California Transient Non-Community 500
USFS - WHEELER GORGE CAMPGROUND CA5601716 California Transient Non-Community 500
CHIMNEY ROCK GOLF COURSE CA2800576 California Transient Non-Community 500